Seed Viability Testing: When Dry Seeds Fail to Germinate

Old or Over-Dried Seeds: Testing and Accepting Loss

Seeds stored dry at room temperature lose viability rapidly. After 5 years, germination drops dramatically.

Viability Test Protocol

1. Place 10-20 seeds in damp paper towel
2. Fold, place in sealed container (Tupperware)
3. Wait 21 days at room temperature
4. Count germinated seeds
5. < 80% germination = discard, buy fresh

Proper Long-Term Storage

• Sealed plastic bag in refrigerator (not freezer)
• Cool, dry, dark = maximum longevity
• Most vegetable seeds: 3-5 years max

Case Assessment

Unknown seeds (round/flat, brownish) that failed both soil and paper towel tests at warm temperatures are almost certainly non-viable. The niece's gift was likely well-intentioned but too old.